This energy-saving device is designed to optimize energy usage and reduce electricity bills. By stabilizing voltage, balancing current, and providing surge protection, it lowers unnecessary energy consumption while extending the lifespan of electrical appliances. The plug-and-play design makes it incredibly easy to use-simply plug it into any outlet, and the green indicator light confirms that it's working effectively. It is compatible with a wide range of appliances such as refrigerators, air conditioners, and more, making it ideal for use in homes, offices, stores, restaurants, and factories. Noticeable energy savings can be achieved within a month of use, with greater savings the longer it is in operation. The device is built with durable ABS material and includes internal leakage protection to ensure safe performance. It protects appliances from sudden power surges and voltage spikes, even during storms. Not only does this device help lower energy costs, but it also contributes to a more sustainable and eco-friendly future by optimizing energy consumption. Whether you aim to reduce electricity costs or minimize your environmental impact, this device is an essential solution for anyone seeking greater energy efficiency and savings. Color: White. Material: Acrylonitrile Butadiene Styrene (ABS).